If the form responders are outside of your organisation then Forms has no way of knowing who they are or what there email address is. So the responder will have to enter their address in a visible field. There's no way round that.

On its own Forms can't do this, but by using Flow you can already do this. You would have text questions in the form for an email address (or multiple ones separated by a semi-colon) and Flow can grab the address(es) from the form and send the email to those addresses.

This can already be done quite easily. When you've created your form click on the Share in the top right and copy the first url to notepad, notepad++, Word or whatever text editor you've got to hand. Then in the trigger in Flow paste just the characters AFTER the id= as a custom value.

Thanks for your patience on waiting the progress bar of Forms. We have started to working on this feature. To better understand your requirements on progress bar, would you mind share your expectation by filling the following survey? It may take you about 2 minutes to finish.

This can already be built very easily for those who have/use Flow. We use it all the time for our surveys in Forms as the Flow email allows us to add the company logo and other information into the email to the respondent together with the questions and their responses.

File upload v1 – for internal survey, has been enabled on full production. It would be great if you could provide feedback for us. This survey may take you about 3 minutes to finish. https://aka.ms/fileuploadfeedback

We are working with SharePoint team to enable file upload v2 – for external survey, we will reach out your soon for more feedback.

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